Mobile app development company

Design, build, and launch mobile apps users love, native iOS, Android, and cross-platform — engineered for performance, scale, and the App Store bar.

TRUSTED. CERTIFIED. PROVEN.

Ready to build a mobile app users actually keep?

Book a free 30-minute call with a senior mobile engineer and get a tailored launch roadmap.

The shift

Why mobile is where products win or lose

Mobile isn't a channel anymore, it's the channel. Here's why founders and product teams are investing in mobile-first builds in 2026:

Ready to launch a mobile app that ranks and retains?

Get a tailored mobile development plan, scope, stack, and timeline, within 24 hours.

The gap

Why most mobile app projects disappoint

Teams ship apps that look like websites in phone frames. Junior developers miss iOS and Android platform conventions, so the app feels wrong the moment users open it. Push notifications never get set up properly. App review rejects the build twice and delays launch by a month. Crash rates quietly destroy reviews. And six months in, the team realizes the architecture can't support the features the roadmap already promised.

That's where ZAPTA steps in, senior mobile engineers, designers who live inside Figma and Human Interface Guidelines, and a proven launch playbook that clears App Store review on the first submission.

Who we help most

How we help

How ZAPTA ships mobile apps

We offer four main ways to help, pick the one that matches where you are right now:

Not sure which path fits your project?

Tell us where you are and we'll recommend the right approach — honestly.

How we help

How ZAPTA ships mobile apps

We offer four main ways to help, pick the one that matches where you are right now:

Full Mobile App Build from Scratch

You have an app idea and no mobile team. We handle everything, discovery, UX, native or cross-platform engineering, backend, App Store and Play Store submission, and post-launch optimization. Most apps ship in 8 to 14 weeks.

Web to mobile expansion

Your web product is working, now your users want a mobile app. We design and build the mobile companion or dedicated mobile experience, reusing your backend and keeping everything in sync.

Legacy app modernization

Your existing app is stuck on old versions of Swift, Java, or hybrid frameworks nobody supports anymore. We rebuild or incrementally modernize on a current stack with zero user disruption during the cutover.

Mobile Engineering Augmentation

You have a mobile team but need senior capacity, fast. We embed senior iOS, Android, and cross-platform engineers into your squad, time-zone aligned, shipping alongside your team.

Not sure which path fits your project?

Tell us where you are and we'll recommend the right approach — honestly.

Engagement models

Flexible ways to work with ZAPTA

Every web app project is different, so is every team's budget, timeline, and internal capacity. Choose the engagement model that matches how you want to scale.

Fixed Cost Projects

Clear scope. Clear price. Clear timeline.

Ideal for teams with a well-defined app vision and a firm budget. We scope, estimate, and deliver against a fixed price and timeline, with milestones, weekly demos, and App Store submission included. No billing surprises. No scope creep.

Best for

Founders with defined scope, SMEs launching branded apps, fixed-budget mobile MVPs.

Nearshore Teams

Senior engineering talent in your time zone

Get a co-located, time-zone-aligned mobile team that operates as an extension of your in-house staff. Daily standups, shared tooling, and deep collaboration, at a fraction of the cost of hiring locally. Ideal for fast-moving teams that need release velocity.

Best for

US and EU product teams scaling mobile delivery without long hiring cycles.

Dedicated Teams

A full squad, working only on your product.

A long-term engagement where we assemble a dedicated mobile team, iOS, Android, cross-platform engineers, QA, and a delivery lead, focused entirely on your roadmap. Continuity, compounding app knowledge, and a team that ships like it's in-house.

Best for

Consumer apps, enterprise mobile programs, and multi-quarter mobile initiatives.

Custom quotations

Every project is different. Your quote should be too.

Complex integrations, wearable or IoT companions, regulated industries, or unusual hardware requirements — we build a tailored quotation around your exact scope. Tell us the problem, the constraints, and the outcome you need. We respond within 24 hours.

Best for

Enterprise, regulated, or non-standard mobile engagements that don't fit a template.

Which engagement model is right for you?

Share your system details and get a tailored recommendation within 24 hours.

Diagnostic

Signs you need a Mobile app development company

If any of these sound familiar, it's time to bring in a specialist team:

01

You have a mobile app idea but no iOS or Android engineers on your team.

02

Your web product is crushing it on desktop but your users keep asking for a mobile app.

03

Your existing app has a 2-star rating, crash issues, or reviews you're embarrassed to share.

04

You've been rejected from App Store or Play Store review and don't know how to fix it.

05

Your app was built on Cordova, Ionic, or old-school hybrid tech and it feels sluggish.

06

Push notifications, deep links, or in-app messaging never got set up, and retention shows it.

07

You need a mobile app for a board demo, investor pitch, or enterprise pilot in weeks.

Recognize yourself in any of these?

Get a free 30-minute software diagnostic from a senior engineer.

Services

Why Custom Software Is a Competitive Advantage

The latest industry news, interviews, technologies, and resources. The latest industry news, interviews, technologies, and resources.

Native android App development
Built with Kotlin and Jetpack Compose, optimized for Play Store, Material Design, and the full range of Android devices and form factors.
React native development
Cross-platform apps with a shared codebase — native performance, faster delivery, and smaller team footprint than building twice.
Flutter app development
High-performance Flutter apps with Dart, ideal for pixel-perfect design, complex animations, and a single codebase across iOS, Android, and web.
Mobile MVP development
Production-grade mobile MVPs shipped in 8 to 12 weeks — fixed scope, store-submission included, ready for real users and investor demos.
AI-native mobile apps
Mobile apps built around LLMs, voice AI, and on-device ML, from Whisper and ElevenLabs to Core ML and Android ML Kit.
Enterprise mobile apps
Internal and B2B mobile apps with SSO, MDM compatibility, offline-first workflows, and enterprise security out of the box.
E-commerce & consumer apps
Polished consumer apps, commerce, lifestyle, content, social, with deep linking, push, in-app purchase, and retention loops.
Mobile backend development
Scalable mobile backends, auth, sync, push, notifications, analytics, real-time features, engineered to match App Store expectations.
App store optimization (ASO)
Launch prep, store listing optimization, screenshot design, and keyword research that lift organic discoverability and conversion.
Mobile app modernization
Rebuild aging mobile apps on current stacks, Swift, Kotlin, React Native, or Flutter, without breaking your current user base.
Ongoing mobile support
Post-launch maintenance, OS-version upgrades, bug fixes, feature development, and store-review support, same-day retainers available.
Native iOS App Development
Built with Swift and SwiftUI, tuned for iOS performance, Human Interface Guidelines, and the App Store bar — ready for review on first submission.

Need a migration service you don't see listed?

We build custom software for unique requirements and regulated industries. Tell us what you need.

Process

How Our Custom Software Development Process Works

Every software project follows a clear three-phase lifecycle, broken into execution sprints underneath. Full builds typically run 8 to 16 weeks. Internal tools and bounded projects often ship in 4 to 8 weeks.

Want this process for your software project?

Tell us about your project and get a tailored development roadmap within 24 hours.

Phase 1

Consult and Align

Discovery, strategy, planning, requirement gathering, roadmap alignment.

Phase 2

Design and Engineer

UI/UX, architecture, development, testing, iteration.

Phase 3

Deploy and Maintain

Launch, monitoring, support, optimization, scaling.

Want this process for your software project?

Tell us about your project and get a tailored development roadmap within 24 hours.

AI Delivery for Scalable Business Solutions

We help clients save time, reduce costs, and achieve higher quality outcomes by combining senior mobile engineering with the latest AI-enabled tools and modern development technologies. Every phase of our mobile lifecycle is accelerated by AI — from requirement analysis and UI generation to code review, test synthesis, and release automation — letting us ship in weeks what traditionally takes quarters.

Stack

Tools we use for mobile app projects

Our mobile stack combines first-party platform frameworks with proven cross-platform, backend, and DevOps tooling — chosen for performance, maintainability, and long-term store approval.

AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker
AWS
AWS
GCP
GCP
PostgreSQL
MongoDB
Azure
Vercel
Netlify
Terraform
GitHub Actions
Docker

Work

Real mobile apps we've shipped

Real scenarios where founders and enterprise teams brought us in to ship mobile apps that launched on time and earned their keep in the stores:

See our full mobile portfolio

Browse consumer apps, B2B companions, and enterprise mobile tools we've launched for startups and Fortune 500 teams.

Deliverables

What you get when you work with ZAPTA

Every mobile engagement ships with production-ready outputs you own long-term:

Why ZAPTA

Why founders choose ZAPTA for mobile

Many companies claim to build mobile apps. Here's what makes ZAPTA a specialist mobile development partner:

Industries

Industries we serve

Regulated, data-heavy, and fast-moving sectors where custom software is a business requirement, not a nice-to-have.

SaaS & B2B Software
SaaS & B2B Software
SOC 2, ISO 27001, and enterprise-grade security architecture for B2B SaaS preparing for upmarket sales.
View Industry
FinTech & Financial Services
FinTech & Financial Services
PCI DSS, SOC 2, and audit-ready architectures for payment platforms, banking-as-a-service, and financial APIs.
View Industry
Healthcare & MedTech
Healthcare & MedTech
HIPAA, HITRUST, and BAA-aligned architectures with PHI protection and clinical-grade audit logging.
View Industry
AI & Generative AI
AI & Generative AI
AI security covering prompt injection, training-data leakage, model abuse, and AI governance (NIST AI RMF, EU AI Act).
View Industry
E-commerce & Retail
E-commerce & Retail
PCI DSS scope reduction, fraud prevention, and consumer data protection (CCPA, GDPR) at high transaction volumes.
View Industry
Insurance & Legal
Insurance & Legal
Document and case-data security covering SOC 2, GDPR, and industry-specific regulatory requirements.
View Industry
Enterprise & Government
Enterprise & Government
ISO 27001, SOC 2, and OT/IT convergence security for enterprise and industrial cloud platforms.
View Industry

Building software for a regulated or specialized industry?

Browse SaaS platforms, enterprise systems, and custom applications we've shipped for startups and Fortune 500 teams.

Other services

Beyond web apps, full-stack services

Mobile is one part of a modern product. ZAPTA is a complete technology company — we design, build, and scale the full stack around your mobile app so you ship a finished product, not just an iOS bundle.

Custom software development
Full-stack web, SaaS, and enterprise applications built for scale, security, and long-term growth.
AI development
AI agents, LLM-powered features, and intelligent automation embedded into your mobile app from day one.
AI MVP development
Production-ready AI MVPs shipped in 4 to 8 weeks — perfect for founders validating, raising, or launching.
Product design & UI/UX
High-fidelity Figma designs, design systems, and conversion-focused UX for mobile, web, and AI interfaces.
Web Development
Marketing sites, dashboards, and web apps built on Next.js, React, and modern frameworks — fast and SEO-ready.
SaaS Product Engineering
Multi-tenant SaaS platforms with auth, billing, analytics, and the infrastructure to scale from day one.
DevOps & Cloud Engineering
CI/CD, infrastructure-as-code, observability, and cloud architecture on AWS, GCP, and Vercel.
Dedicated Staff Augmentation
Senior engineers, designers, and product specialists embedded in your team — nearshore and time-zone aligned.

Need more than just mobile?

Browse SaaS platforms, enterprise systems, and custom applications we've shipped for startups and Fortune 500 teams.

Questions

Custom Software Development FAQs

Structured for AI search engines (ChatGPT, Gemini, Perplexity, Claude) and Google rich results. Implement FAQPage JSON-LD for every question.

How long does it take to build custom software?

Single-application migrations typically run 4 to 12 weeks. Multi-application programs run 6 to 24 months across multiple waves. Data center exits run 9 to 36 months depending on portfolio size. Database migrations run 8 to 16 weeks for production-grade cutover with minimal downtime. We commit to fixed wave dates during scoping so you can plan around them.

Pricing depends on portfolio size, migration patterns, data complexity, and engagement model. We offer fixed-cost migration sprints, wave-based programs, dedicated squads, and custom quotations. Most programs pay for themselves within 12 to 24 months through cloud savings, license reduction, and decommissioned infrastructure. Book a call for a tailored quote within 24 hours.
Four primary models: Fixed-Cost Migration Sprints for single applications, Wave-Based Migration Programs for multi-application portfolios, Dedicated Migration Squads for multi-year enterprise programs, and Custom Quotations for regulated or non-standard work. We’ll recommend the right fit during discovery.
Most production migrations target zero customer-visible downtime through Change Data Capture, dual-write strategies, blue-green deployment, and rehearsed cutover discipline. Some workloads require brief planned maintenance windows — we’ll be transparent about which ones and why during scoping.
All three major clouds — AWS, GCP, and Azure — plus Oracle Cloud and specialty providers when relevant. We also handle multi-cloud and hybrid migrations. Cloud choice is driven by your business and technical needs, not vendor bias on our end. If you don’t have a target cloud chosen yet, our Cloud Strategy & Architecture engagement comes first.
Yes — stalled migration recovery is one of our most common engagements. We start with an independent assessment of what’s blocking, what’s salvageable, and what’s the fastest path to completion. Most stalled migrations recover within 4 to 12 weeks of taking over, depending on remaining scope.
Yes. Oracle to PostgreSQL or Aurora, SQL Server to managed cloud equivalents, MongoDB to Atlas, and similar migrations are core specialties. We handle schema conversion, Change Data Capture, dual-write strategies, application code refactoring, and validated cutover. Most database migrations target near-zero downtime.
Yes. For regulated industries (healthcare, finance, government), we maintain compliance throughout the migration — HIPAA, PCI DSS, GDPR, SOC 2, FedRAMP. Audit trails are preserved, encryption is maintained in-flight and at-rest, and BAA / DPA agreements are in place before sensitive data is touched.
Yes. You own everything — final architecture, IaC modules, migration scripts, cutover playbooks, runbooks, observability configuration, and all deliverables. Full IP assignment is signed before kickoff. No lock-in, no leverage, no dependency on us going forward.
Yes — and most clients continue with us. After migration, we offer ongoing support and managed services covering application maintenance, cloud operations, continuous improvement, and SRE. There’s no obligation to use ZAPTA for ongoing support, but the same senior team that ran the migration is available with full continuity.
Yes. Data center exit is a specialized migration discipline — multi-application coordination, network bridging, hardware decommission, license retirement, contract close-out, and exit certification. We’ve delivered data center exits ranging from 50 to 500+ workloads across 12 to 36-month programs.

Get in touch with our experts

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Love the simplicity of the service and the prompt customer support. We can’t imagine working without it. Love the simplicity of the service and the prompt customer support. We can’t imagine working without it.

Jeremy Brown

Founder of Insyteful

Love the simplicity of the service and the prompt customer support. We can’t imagine working without it. Love the simplicity of the service and the prompt customer support. We can’t imagine working without it.

Jeremy Brown

Founder of Insyteful

Love the simplicity of the service and the prompt customer support. We can’t imagine working without it. Love the simplicity of the service and the prompt customer support. We can’t imagine working without it.

Jeremy Brown

Founder of Insyteful

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